ʻŌpala hui kalapona-kalapona uhi CVD sic

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ʻO kaUhi ʻana o CVD SiCʻO CC Composite Mold, Carbon-Carbon Composite Mold, C/C Mold mai vet-china he ʻano hana kiʻekiʻe i hoʻolālā ʻia no nā ʻoihana e koi ana i ke kūpaʻa wela a me ke kemika kiʻekiʻe. ʻO kahui kalapona-kalaponaʻO ke ʻano, i hoʻonui ʻia me kahi uhi CVD SiC (Silicon Carbide), hāʻawi i ka lōʻihi a me ke kūpaʻa kūikawā ma lalo o nā mahana koʻikoʻi, e kūpono ana no nā noi koi e like me ka hana semiconductor, aerospace, a me nā ʻāpana kaʻa.

ʻO kaʻO ka uhi ʻana o CVD SiCHāʻawi ia i ke kūpaʻa kupaianaha i ka ʻaʻahu a me ka oxidation, e hoʻolōʻihi ana i ke ola o ka ʻōpala a me ka hōʻoia ʻana i ka hana hilinaʻi i nā ʻano ʻino. Hoʻomaikaʻi pū kēia ʻenehana uhi holomua i ka paʻakikī o ka ʻili, e pale ana i ka ʻōpala i ka wā o nā kaʻina hana wela kiʻekiʻe a pale i ka deformation a i ʻole ka hōʻino. He kūpono loa nā ʻōpala vet-china no nā ʻoihana e hoʻohana anaNā apo CVD SiCa me nā ʻāpana, e hāʻawi ana i kahi hopena kūpono no ka hana ʻana me ke kiko kiʻekiʻe.

Ma waho aʻe o ka uhi SiC, ʻo kaKa uhi ʻana o CVD TaChiki ke hoʻopili ʻia e hoʻoikaika i ke kūpaʻa kemika, e hana ana i ka ʻōpala i maʻalahi no nā noi like ʻole e pono ai ka pale mai nā mea ʻino. ʻO ka ʻike loea o Vet-china i nā CVD SiC a me C/C composites e hōʻoiaʻiʻo ana ua hana ʻia kēlā me kēia ʻōpala me ka pololei, e hāʻawi ana i ka hana kiʻekiʻe ma nā ʻano ʻoihana a me nā ʻenehana.

ʻO ka hui pū ʻana o CVD SiC a me nā mea hui kalapona-kalapona e hōʻoiaʻiʻo ana e ʻoi aku ka maikaʻi o ka CVD SiC Coating CC Composite Mould, Carbon-Carbon Composite Mould, C/C Mould i nā kaʻina hana e pili ana i ka wela kiʻekiʻe, ka ʻike kemika, a me ke kaumaha mechanical, e hāʻawi ana i nā mea hoʻohana i kahi hopena mold lōʻihi a hilinaʻi hoʻi.

 Ka hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVD

Nā hiʻohiʻona nui:

1. Ke kūpaʻa ʻana i ka oxidation wela kiʻekiʻe:

He maikaʻi loa nō ke kūpaʻa ʻana i ka oxidation ke kiʻekiʻe ka mahana i 1600 C.

2. Maʻemaʻe kiʻekiʻe: hana ʻia e ka waiho ʻana o ka mahu kemika ma lalo o ke kūlana chlorination wela kiʻekiʻe.

3. Ke kūpaʻa ʻana i ka ʻino: paʻakikī kiʻekiʻe, ʻili paʻa, nā ʻāpana maikaʻi.

4. Ke kūpaʻa ʻana i ka palaho: waikawa, alkali, paʻakai a me nā reagents organik.

 

Nā kikoʻī nui o nā uhi CVD-SIC:

SiC-CVD

Ka nui o ka paʻa

(g/cc)

3.21

Ikaika kūlou

(Mpa)

470

Hoʻonui wela

(10-6/K)

4

Ka hoʻokele wela

(W/mK)

300

Nā Kiʻi Kikoʻī

Ka hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVDKa hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVDKa hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVDKa hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVDKa hana ʻana i ka uhi ʻana o SiC ma luna o ka ʻili graphite nā mea hoʻopaʻa MOCVD

ʻIkepili ʻoihana

111

Nā Lako Hana Hale Hana

222

Hale kūʻai

333

Nā Palapala Hōʻoia

Nā Palapala Hōʻoia22

 


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